Home / 1,090,658,804.40-1,638,409,584.92-676,441,732.16

Finding the Fourth Proportional to 1,090,658,804.40, 1,638,409,584.92 and 676,441,732.16

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Solution

The fourth proportional to 1,090,658,804.40, 1,638,409,584.92 and 676,441,732.16 is: 1,016,164,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,658,804.40 : 1,638,409,584.92 = 676,441,732.16 : x
  2. Step 2: Convert to fraction form
    1,090,658,804.40/1,638,409,584.92 = 676,441,732.16/x
  3. Step 3: Cross multiply
    1,090,658,804.40x = 1,638,409,584.92 × 676,441,732.16
  4. Step 4: Simplify right side
    1,090,658,804.40x = 1,108,288,617,610,831,360
  5. Step 5: Solve for x
    x = 1,108,288,617,610,831,360/1,090,658,804.40
  6. Step 6: Final answer
    x = 1,016,164,370.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.